Outside the field of statistics, the literature on observational studies offers advice about research designs or strategies for judging whether or not an association is causal, such as multiple ...

Medical research is essential for advancing the understanding of health, diseases, and treatments. There are many types of studies that serve different purposes. Medical research, or health research, ...

Chris Pashos and Krista Payne of United BioSource Corporation explore observational or "non-interventional" studies and how they can enhance the clinical development and commercialization process. As ...

Where can observational studies be registered? An increasing number of clinical trial registries exist and, despite their names, some include observational studies ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. A test-negative observational study design may be best ...

After showing two groups of schoolteachers a videotape of an eight-year-old boy, psychologists John Santrock and Russel Tracy found that the teachers’ judgment of the child ultimately depended on ...